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Commit Graph

56686 Commits

Author SHA1 Message Date
Dan Gohman
4b3987001a Make the unsigned-range code more consistent with the signed-range code,
and clean up some loose ends.

llvm-svn: 94572
2010-01-26 19:19:05 +00:00
Evan Cheng
b308493fc0 Code refactoring, no functionality change.
llvm-svn: 94570
2010-01-26 19:04:47 +00:00
Bob Wilson
8197e10be0 Revert 94484. Re-disable unittests that need RTTI.
llvm-svn: 94569
2010-01-26 19:04:37 +00:00
Victor Hernandez
3a9845ecf7 Switch AllocaDbgDeclares to SmallVector and don't leak DIFactory
llvm-svn: 94567
2010-01-26 18:57:53 +00:00
Dan Gohman
fd52a58a99 Fix a typo in a comment that Duncan noticed.
llvm-svn: 94562
2010-01-26 18:32:54 +00:00
Dan Gohman
124de89a93 Remove SIL, DIL, and BPL from the GR8_NOREX allocation order also.
llvm-svn: 94560
2010-01-26 18:30:24 +00:00
Dan Gohman
9fe369e610 SIL, DIL, BPL, and SPL require a REX prefix.
llvm-svn: 94558
2010-01-26 18:14:22 +00:00
Dan Gohman
783616ec9a Rename ItCount to BECount, since it holds a backedge-taken count rather
than an iteration count.

llvm-svn: 94549
2010-01-26 16:46:18 +00:00
Dan Gohman
332216f73c Fix ICmpInst::makeConstantRange to use ConstantRange's API properly
in the case of empty and full ranges.

llvm-svn: 94548
2010-01-26 16:04:20 +00:00
Dan Gohman
47ec8cddb7 Fix a typo that several people pointed out. Also, address the case of
wrapping that Duncan pointed out.

llvm-svn: 94547
2010-01-26 15:56:18 +00:00
Mikhail Glushenkov
89d78050aa Support -arch.
llvm-svn: 94546
2010-01-26 14:55:44 +00:00
Mikhail Glushenkov
13cd7be07e Support for -iquote.
llvm-svn: 94545
2010-01-26 14:55:30 +00:00
Mikhail Glushenkov
f74d495859 Better error message.
llvm-svn: 94544
2010-01-26 14:55:16 +00:00
Mikhail Glushenkov
ee410352c8 Escape double quotes in 'help'.
llvm-svn: 94543
2010-01-26 14:55:04 +00:00
Duncan Sands
3622f9d328 Tweak the way appendModuleInlineAsm works, so you aren't obliged
to append a newline when using setModuleInlineAsm in case later
someone calls appendModuleInlineAsm - make newline handling fully
automatic.  In case anyone is wondering there is only one user of
appendModuleInlineAsm: the dragonegg plugin.

llvm-svn: 94539
2010-01-26 11:58:04 +00:00
Torok Edwin
0ce6500bfd Regenerate configure.
With the previous cleanup to configure.ac, configure is now only 393k, instead of 1.1M!

llvm-svn: 94535
2010-01-26 08:50:50 +00:00
Torok Edwin
50c248824a Remove unneeded checks from configure.ac.
HAVE_{BI,STD,FWD}_ITERATOR and HAVE_NAMESPACES were not used in the code.
bison and flex are no longer used.
CAN_DLOPEN_SELF was never used either.
AC_PROG_LIBTOOL is not needed since we don't use libtool, we only need the
libltdl checks for dlopen.
Add check for AR, it used to be done by AC_PROG_LIBTOOL.
AC_TYPE_SIGNAL is deprecated, follow autoupdate's suggestion and replace with
void.
Remove unused m4 files.
Configure can now be generated using autoconf 2.65 too, without any warnings!

llvm-svn: 94534
2010-01-26 08:48:04 +00:00
Torok Edwin
5c307e4537 Fix autoconf 2.65 warning (don't use _cv_ inside AC_CACHE_VAL).
llvm-svn: 94533
2010-01-26 08:43:05 +00:00
Bill Wendling
d4a402c2aa Remove warning about non return on a non-void function.
llvm-svn: 94532
2010-01-26 08:27:24 +00:00
Chris Lattner
967a37fb26 eliminate the TargetLowering::UsesGlobalOffsetTable bool, which is
subsumed by TargetLowering::getJumpTableEncoding().  Change uses of
it to be more specific.

llvm-svn: 94529
2010-01-26 06:53:37 +00:00
Chris Lattner
b711ded671 Now that printPICJumpTableSetLabel is not overloaded,
inline it into its only caller, allowing us to simplify it
and hoist bits out of the loop.

llvm-svn: 94528
2010-01-26 06:42:44 +00:00
Chris Lattner
d87c50833a Move getJTISymbol from MachineJumpTableInfo to MachineFunction,
which is more convenient, and change getPICJumpTableRelocBaseExpr
to take a MachineFunction to match.

Next, move the X86 code that create a PICBase symbol to
X86TargetLowering::getPICBaseSymbol from 
X86MCInstLower::GetPICBaseSymbol, which was an asmprinter specific 
library.  This eliminates a 'gross hack', and allows us to
implement X86ISelLowering::getPICJumpTableRelocBaseExpr which now
calls it.

This in turn allows us to eliminate the 
X86AsmPrinter::printPICJumpTableSetLabel method, which was the
only overload of printPICJumpTableSetLabel.

llvm-svn: 94526
2010-01-26 06:28:43 +00:00
Chris Lattner
a9b1ea03e9 add a new MachineJumpTableInfo::getJTISymbol method,
use it to implement the default TargetLowering::getPICJumpTableRelocBaseExpr

llvm-svn: 94523
2010-01-26 05:58:28 +00:00
Chris Lattner
3b2bf7ab66 stub out a new target hook, need some refactoring before I can
implement it.

llvm-svn: 94521
2010-01-26 05:30:30 +00:00
Chris Lattner
b020478ce5 simplify asmprinter: only emit .set directives when entries have
EK_LabelDifference32 kind and the target has .set support.  Simplify
X86AsmPrinter::printPICJumpTableSetLabel to make use of recent helpers.

llvm-svn: 94518
2010-01-26 05:15:20 +00:00
Chris Lattner
945bbf606f rename printPICJumpTableEntry -> EmitJumpTableEntry,
make it private and non-virtual.  It handles the non-pic
case too, so just use it, simplifying EmitJumpTableInfo.

llvm-svn: 94517
2010-01-26 05:10:10 +00:00
Chris Lattner
7d88592ba1 implement X86 @GOTOFF jump table entries with the new EK_Custom32
jump table entry kind, instead of overloading 
AsmPrinter::printPICJumpTableEntry.

This has a pretty horrible and inefficient FIXME around how @GOTOFF
is currently smashed into the mcsymbol name, but otherwise this is
much cleaner.

llvm-svn: 94516
2010-01-26 05:02:42 +00:00
Chris Lattner
b4a5d00176 add a new MachineBasicBlock::getSymbol method, replacing
the AsmPrinter::GetMBBSymbol.

llvm-svn: 94515
2010-01-26 04:55:51 +00:00
Lang Hames
91856859d6 New PBQP solver.
* Fixed a reduction bug which occasionally led to infinite-cost (invalid)
  register allocation solutions despite the existence finite-cost solutions.
* Significantly reduced memory usage (>50% reduction).
* Simplified a lot of the solver code.

llvm-svn: 94514
2010-01-26 04:49:58 +00:00
Dan Gohman
5e06a05a16 Fix the the ceiling-division used in computing the MaxBECount so that it doesn't
have trouble with an intermediate add overflowing. Also, be more conservative
about the case where the induction variable in an SLT loop exit can step past
the RHS of the SLT and overflow in a single step.

Make getSignedRange more aggressive, to recover for some common cases which
the above fixes pessimized.

This addresses rdar://7561161.

llvm-svn: 94512
2010-01-26 04:40:18 +00:00
Chris Lattner
416de57b74 don't bother setting the AsmPrinter::MF ivar, now that
AsmPrinter::SetupMachineFunction sets it.  Note that systemz
and msp430 didn't.  Yay for reduced inconsistency! :)

llvm-svn: 94510
2010-01-26 04:38:11 +00:00
Chris Lattner
d25ec1b3bd make MachineFunction keep track of its ID and make
MachineFunctionAnalysis dole them out, instead of having
AsmPrinter do both.  Have the AsmPrinter::SetupMachineFunction
method set the 'AsmPrinter::MF' variable.

llvm-svn: 94509
2010-01-26 04:35:26 +00:00
Chris Lattner
41f661d2c2 this hook should be const.
llvm-svn: 94508
2010-01-26 04:19:00 +00:00
Dan Gohman
0c02f09fba Add a comment about a missed opportunity.
llvm-svn: 94507
2010-01-26 04:13:15 +00:00
Dan Gohman
2d9a3eb391 Print empty and full sets specially.
llvm-svn: 94506
2010-01-26 04:12:55 +00:00
Chris Lattner
5ee5b62838 Add support for target-specific 32-bit custom-lowered
jump table entries.

llvm-svn: 94505
2010-01-26 04:05:28 +00:00
Daniel Dunbar
ea2288006f Unbreak MSVC/CMake build.
llvm-svn: 94502
2010-01-26 03:56:22 +00:00
Chris Lattner
643adc5090 make jit jump table emission be based on the EntryKind instead of magic variables.
JITInfo::getPICJumpTableEntry can probably be removed now, but I don't plan to do 
this.

llvm-svn: 94501
2010-01-26 03:47:15 +00:00
Chris Lattner
d0c077cef7 switch jump table entry emission to be based on EntryKind
instead of magic variables.

llvm-svn: 94500
2010-01-26 03:43:22 +00:00
Victor Hernandez
f12e8a120f In mem2reg, for all alloca/stores that get promoted where the alloca has an associated llvm.dbg.declare instrinsic, insert an llvm.dbg.var intrinsic before each store.
llvm-svn: 94493
2010-01-26 02:42:15 +00:00
Victor Hernandez
ab3ebb1a4a Add MDNode::getIfExists(), an efficient way to determine if a value is used by metadata (since metadata does not appear in a value's use list)
llvm-svn: 94492
2010-01-26 02:36:35 +00:00
Victor Hernandez
648015f3a6 Assert when debug intrinsic insert functions are passed empty arguments
llvm-svn: 94491
2010-01-26 02:07:38 +00:00
Evan Cheng
548d00d77c Implement cond ? -1 : 0 with sbb.
llvm-svn: 94490
2010-01-26 02:00:44 +00:00
Dale Johannesen
c9b61e3433 Accept immediate as value of a dbg_value.
llvm-svn: 94489
2010-01-26 01:54:26 +00:00
Jeffrey Yasskin
c5e7f3d7f1 Re-enable unit tests disabled in r94164 by telling GTest about the
lack of RTTI.

llvm-svn: 94484
2010-01-26 01:26:46 +00:00
Sean Callanan
7cbd38ee14 Added the implementation of the Intel-specific
TargetAsmLexer.

llvm-svn: 94482
2010-01-26 01:00:10 +00:00
Dale Johannesen
d75f9dc3ff Generate DEBUG_VALUE comments on x86. The (limited)
dbg.declare's we currently generate go through both
register allocators without perturbing the results.

llvm-svn: 94480
2010-01-26 00:09:58 +00:00
Sean Callanan
285d34cedd Added the TargetAsmLexer implementation for AT&T syntax.
llvm-svn: 94479
2010-01-26 00:08:25 +00:00
Dale Johannesen
e26033402e use findDebugLoc in more places.
llvm-svn: 94477
2010-01-26 00:03:12 +00:00
Jim Grosbach
122b05d47f Minor jump table cleanup.
llvm-svn: 94475
2010-01-25 23:50:13 +00:00